【转】vc串口通信-superzhang - 新浪blog.mht

微机原理与接口技术课程设计题目详细要求

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/**
 * <b>boot strap functions</b>
 * @version : 1.0
 * @since : 2007-6-14
 *=20
 * @Description :=20
 * startup working enviroment
 *=20
 * @author xp [e-mail] | [e-mail]
 * @copyright sina.com
 */

/**-------------------------/// Boot-strap =
\\\---------------------------
 *
 * 1. decide who is the top frame
 * 2. preLoad configs
 * 3. fix config data
 * 4. supply some function for loading external resource
 *
 *--------------------------\\\ Boot-strap =
///---------------------------*/

/**=20
 *=20
 */
document.domain=3D"blog.sina.com.cn";

if (window.scope =3D=3D null){
  try {
    if (window.parent.scope !=3D null) window.scope =3D =
window.parent.scope;
  } catch (e) {
    scope.trace("---\n" + e);
  }
  try {
    if (window.scope =3D=3D null) window.scope =3D window;
  } catch (e) {
    scope.trace(e);
  }
}

/* fix $BASE */
if ($BASE.lastIndexOf("/") < $BASE.length-1) $BASE =3D $BASE + "/";


/**
 * @author xp
 * write script tag to document. Can be used only in page-loading phase.
 * only script text or script url can be accepted. u cant specify none =
or two of them or an error will be raised
 * @param o {
 *    id : id of the created tag,=20
 *    url : String,
 *    script  : String
 *  }
 */
function dwScript(o){
  o.id =3D o.id || "";
  o.charset =3D o.charset || "utf-8";
  if (o.script && o.script !=3D ""){
    document.write("<script id=3D'" + o.id + "'>" + o.script + =
"<\/script>");
  } else if (o.url && o.url !=3D ""){
    document.write("<script id=3D'" + o.id + "' src=3D'" + o.url + "' =
charset=3D'" + o.charset + "'><\/script>");
  } else throw new Error("no script content or url specified");
}

/**
 * @author xp
 * write link tag or style tag to document. Can be used only in =
page-loading phase.
 * only script text or script url can be accepted. u cant specify none =
or two of them or an error will be raised
 * @param o {
 *    id : id of the created tag,=20
 *    url : String,
 *    script  : String
 *  }
 */
function dwCSS(o){
  o.id =3D o.id || "";
  if (o.url){
    document.write('<link id=3D"' + o.id + '" rel=3D"stylesheet" =
type=3D"text/css" href=3D"' + o.url + '" />');
  } else if (o.styles){
    document.write('<style id=3D"' + o.id + '" >'+o.styles+'<\/style>');
  }=20
}